This elliptical window is a characteristic part of the building.

This project was partially successful.

That building is very old.

The characteristic of this building is its unique design.

It's difficult to solve a part of this problem.

What does this shape represent?

He is using the internet to open a window and get new information.

Mr. Enzan is the priest of the temple.

He opened the window and let fresh air into the room.

The view from the window is beautiful.